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Climate and Average Weather Year Round in Bermuda Bermuda

In Bermuda, the summers are warm, oppressive, windy, and mostly cloudy and the winters are long, comfortable, wet, extremely windy, and partly cloudy. Over the course of the year, the temperature typically varies from 61°F to 85°F and is rarely below 55°F or above 89°F.

Based on the tourism score, the best times of year to visit Bermuda for warm-weather activities are from mid March to early June and from late October to late December.

Climate in Bermuda

comfortablewarmhotwarmcomfortableJanFebMarAprMayJunJulAugSepOctNovDecNowNow53%53%35%35%overcastclearprecipitation: 4.7 inprecipitation: 4.7 in2.4 in2.4 inmuggy: 100%muggy: 100%8%8%drydrytourism score: 7.1tourism score: 7.13.43.4
Bermuda weather by month. Click on each chart for more information.

The hot season lasts for 3.1 months, from June 25 to September 30, with an average daily high temperature above 82°F. The hottest month of the year in Bermuda is August, with an average high of 85°F and low of 78°F.

The cool season lasts for 4.4 months, from December 7 to April 19, with an average daily high temperature below 72°F. The coldest month of the year in Bermuda is February, with an average low of 61°F and high of 68°F.

Average High and Low Temperature in Bermuda

Average High and Low Temperature in BermudahotcoolcoolJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°F100°F100°FFeb 2468°FFeb 2468°FAug 785°FAug 785°F61°F61°F79°F79°FJun 2582°FJun 2582°FSep 3082°FSep 3082°FDec 772°FDec 772°FApr 1972°FApr 1972°F75°F75°F76°F76°F65°F65°F65°F65°FNowNow
The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.
AverageJanFebMarAprMayJunJulAugSepOctNovDec
High69°F68°F69°F71°F75°F81°F84°F85°F83°F79°F74°F71°F
Temp.65°F64°F65°F67°F72°F77°F81°F82°F80°F76°F71°F67°F
Low62°F61°F62°F64°F69°F74°F78°F78°F77°F73°F68°F64°F

The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature in Bermuda

Average Hourly Temperature in BermudaJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMNowNowcoolcoolcomfortablecomfortablewarm
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.
Map
Marker
© Esri, et al.

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In Bermuda, the average percentage of the sky covered by clouds experiences mild seasonal variation over the course of the year.

The clearer part of the year in Bermuda begins around February 4 and lasts for 3.6 months, ending around May 24.

The clearest month of the year in Bermuda is April, during which on average the sky is clear, mostly clear, or partly cloudy 51% of the time.

The cloudier part of the year begins around May 24 and lasts for 8.3 months, ending around February 4.

The cloudiest month of the year in Bermuda is June, during which on average the sky is overcast or mostly cloudy 63% of the time.

Cloud Cover Categories in Bermuda

Cloud Cover Categories in BermudaclearercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%May 353%May 353%Jun 2835%Jun 2835%Feb 444%Feb 444%NowNowclearmostly clearpartly cloudymostly cloudyovercast
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.
FractionJanFebMarAprMayJunJulAugSepOctNovDec
Cloudier57%55%51%49%53%63%60%58%58%56%50%54%
Clearer43%45%49%51%47%37%40%42%42%44%50%46%

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Bermuda varies throughout the year.

The wetter season lasts 7.5 months, from July 28 to March 11, with a greater than 33% chance of a given day being a wet day. The month with the most wet days in Bermuda is February, with an average of 10.8 days with at least 0.04 inches of precipitation.

The drier season lasts 4.5 months, from March 11 to July 28. The month with the fewest wet days in Bermuda is June, with an average of 8.3 days with at least 0.04 inches of precipitation.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. The month with the most days of rain alone in Bermuda is February, with an average of 10.8 days. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 41% on February 1.

Daily Chance of Precipitation in Bermuda

Daily Chance of Precipitation in BermudawetwetdryJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Feb 141%Feb 141%Jul 825%Jul 825%Jan 133%Jan 133%Mar 1133%Mar 1133%NowNowrain
The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).
Days ofJanFebMarAprMayJunJulAugSepOctNovDec
Rain11.4d10.8d9.6d8.8d9.0d8.3d8.8d10.7d9.6d10.6d8.4d10.0d

To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Bermuda experiences significant seasonal variation in monthly rainfall.

Rain falls throughout the year in Bermuda. The month with the most rain in Bermuda is February, with an average rainfall of 4.7 inches.

The month with the least rain in Bermuda is July, with an average rainfall of 2.5 inches.

Average Monthly Rainfall in Bermuda

The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average snowfall.
JanFebMarAprMayJunJulAugSepOctNovDec
Rainfall4.1″4.7″3.8″3.5″3.2″3.1″2.5″3.3″3.5″4.3″3.1″4.1″

The length of the day in Bermuda varies significantly over the course of the year. In 2021, the shortest day is December 21, with 10 hours, 2 minutes of daylight; the longest day is June 21, with 14 hours, 16 minutes of daylight.

Hours of Daylight and Twilight in Bermuda

Hours of Daylight and Twilight in BermudaJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 6 minMar 2012 hr, 6 minMar 2014 hr, 16 minJun 2114 hr, 16 minJun 2112 hr, 8 minSep 2212 hr, 8 minSep 2210 hr, 2 minDec 2110 hr, 2 minDec 21nightnightdayNowNow
The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.
Hours ofJanFebMarAprMayJunJulAugSepOctNovDec
Daylight10.3h11.1h12.0h13.0h13.8h14.2h14.0h13.3h12.3h11.3h10.5h10.1h

The earliest sunrise is at 6:11 AM on June 11, and the latest sunrise is 1 hour, 29 minutes later at 7:40 AM on November 6. The earliest sunset is at 5:13 PM on December 3, and the latest sunset is 3 hours, 16 minutes later at 8:29 PM on June 30.

Daylight saving time (DST) is observed in Bermuda during 2021, starting in the spring on March 14, lasting 7.8 months, and ending in the fall on November 7.

Sunrise & Sunset with Twilight and Daylight Saving Time in Bermuda

Sunrise & Sunset with Twilight and Daylight Saving Time in BermudaJanFebMarAprMayJunJulAugSepOctNovDec2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJun 116:11 AMJun 116:11 AM8:29 PMJun 308:29 PMJun 30Dec 35:13 PMDec 35:13 PM7:40 AMNov 67:40 AMNov 6Mar 14DSTMar 14DSTDSTNov 7DSTNov 7daynightnightnightSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of the year 2021. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The transitions to and from daylight saving time are indicated by the 'DST' labels.

The figure below presents a compact representation of key lunar data for 2021. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases.

Moon Rise, Set & Phases in Bermuda

The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

Bermuda experiences extreme seasonal variation in the perceived humidity.

The muggier period of the year lasts for 6.1 months, from May 7 to November 12, during which time the comfort level is muggy, oppressive, or miserable at least 31% of the time. The month with the most muggy days in Bermuda is August, with 30.3 days that are muggy or worse.

The month with the fewest muggy days in Bermuda is February, with 2.4 days that are muggy or worse.

Humidity Comfort Levels in Bermuda

Humidity Comfort Levels in BermudamuggyJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Feb 288%Feb 288%100%Aug 5100%Aug 5May 731%May 731%Nov 1231%Nov 1231%NowNowmiserablemiserableoppressiveoppressivemuggymuggyhumidhumidcomfortablecomfortabledrydry
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.
JanFebMarAprMayJunJulAugSepOctNovDec
Muggy days3.4d2.4d2.7d4.8d14.2d25.0d30.2d30.3d26.8d18.9d8.6d4.8d

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Bermuda experiences extreme seasonal variation over the course of the year.

The windier part of the year lasts for 5.9 months, from October 21 to April 18, with average wind speeds of more than 14.9 miles per hour. The windiest month of the year in Bermuda is February, with an average hourly wind speed of 18.7 miles per hour.

The calmer time of year lasts for 6.1 months, from April 18 to October 21. The calmest month of the year in Bermuda is August, with an average hourly wind speed of 11.0 miles per hour.

Average Wind Speed in Bermuda

Average Wind Speed in BermudawindywindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph0 mph5 mph5 mph10 mph10 mph15 mph15 mph20 mph20 mph25 mph25 mph30 mph30 mphJan 3119.0 mphJan 3119.0 mphAug 1610.8 mphAug 1610.8 mphOct 2114.9 mphOct 2114.9 mphApr 1814.9 mphApr 1814.9 mphNowNow
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.
JanFebMarAprMayJunJulAugSepOctNovDec
Wind Speed (mph)18.518.717.915.213.011.811.511.012.014.516.017.2

The predominant average hourly wind direction in Bermuda varies throughout the year.

The wind is most often from the south for 5.1 months, from April 2 to September 6, with a peak percentage of 49% on July 14. The wind is most often from the east for 2.0 months, from September 6 to November 6, with a peak percentage of 34% on September 21. The wind is most often from the west for 4.0 months, from December 3 to April 2, with a peak percentage of 38% on January 1.

Wind Direction in Bermuda

Wind Direction in BermudaWSENWJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%NowNowwestsoutheastnorth
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Bermuda is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average water temperature experiences some seasonal variation over the course of the year.

The time of year with warmer water lasts for 3.1 months, from July 6 to October 9, with an average temperature above 79°F. The month of the year in Bermuda with the warmest water is August, with an average temperature of 82°F.

The time of year with cooler water lasts for 4.3 months, from January 1 to May 10, with an average temperature below 70°F. The month of the year in Bermuda with the coolest water is March, with an average temperature of 67°F.

Average Water Temperature in Bermuda

The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.
WaterJanFebMarAprMayJunJulAugSepOctNovDec
Temperature69°F67°F67°F68°F71°F76°F80°F82°F81°F78°F74°F71°F

To characterize how pleasant the weather is in Bermuda throughout the year, we compute two travel scores.

The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best times of year to visit Bermuda for general outdoor tourist activities are from mid March to early June and from late October to late December, with a peak score in the second week of November.

Tourism Score in Bermuda

Tourism Score in Bermudabest timebest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810107.17.13.43.47.17.1NowNowprecipitationprecipitationcloudscloudstemperaturetemperature tourism score
The tourism score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best time of year to visit Bermuda for hot-weather activities is from late May to early November, with a peak score in the last week of September.

Beach/Pool Score in Bermuda

Beach/Pool Score in Bermudabest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810106.56.51.81.85.95.9NowNowprecipitationprecipitationcloudscloudstemperaturetemperature beach/pool score
The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Methodology

For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.

Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies.

Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more.

Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter.

Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

Temperatures in Bermuda are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.

Time Spent in Various Temperature Bands and the Growing Season in Bermuda

Time Spent in Various Temperature Bands and the Growing Season in BermudaJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%100%Jan 1100%Jan 1100%Jul 3100%Jul 3NowNowcoolcomfortablewarmhot
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

Growing Degree Days in Bermuda

Growing Degree Days in BermudaJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F1,000°F1,000°F2,000°F2,000°F3,000°F3,000°F4,000°F4,000°F5,000°F5,000°F6,000°F6,000°F7,000°F7,000°F8,000°F8,000°FJan 690°FJan 690°FMar 2900°FMar 2900°FApr 271,800°FApr 271,800°FDec 318,136°FDec 318,136°FNowNow
The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy experiences significant seasonal variation over the course of the year.

The brighter period of the year lasts for 3.4 months, from April 11 to July 25, with an average daily incident shortwave energy per square meter above 5.8 kWh. The brightest month of the year in Bermuda is May, with an average of 6.5 kWh.

The darker period of the year lasts for 3.1 months, from November 7 to February 9, with an average daily incident shortwave energy per square meter below 3.3 kWh. The darkest month of the year in Bermuda is December, with an average of 2.6 kWh.

Average Daily Incident Shortwave Solar Energy in Bermuda

Average Daily Incident Shortwave Solar Energy in BermudabrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhMay 176.6 kWhMay 176.6 kWhDec 312.5 kWhDec 312.5 kWhJul 255.8 kWhJul 255.8 kWhNov 73.3 kWhNov 73.3 kWhFeb 93.3 kWhFeb 93.3 kWhNowNow
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.
JanFebMarAprMayJunJulAugSepOctNovDec
Solar Energy (kWh)2.73.54.75.96.56.35.85.44.83.93.12.6

For the purposes of this report, the geographical coordinates of Bermuda are 32.330 deg latitude, -64.740 deg longitude, and 0 ft elevation.

The topography within 2 miles of Bermuda is essentially flat, with a maximum elevation change of 0 feet and an average elevation above sea level of 0 feet. Within 10 miles is also essentially flat (0 feet). Within 50 miles is also essentially flat (0 feet).

The area within 2 miles of Bermuda is covered by water (91%), within 10 miles by water (98%), and within 50 miles by water (100%).

This report illustrates the typical weather in Bermuda, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

The details of the data sources used for this report can be found on the L.F. Wade International Airport page.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

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